Synonyms
Pteracanthus claviculatus (C.B.Clarke ex W.W.Sm.) H.P.Tsui
Strobilanthes duclouxii Benoist
Pteracanthus duclouxii (Benoist) C.Y.Wu & C.C.Hu
Ruellia extensa Steud.
Strobilanthes claviculata C.B.Clarke ex W.W.Sm.
Goldfussia extensa Nees
Pteracanthus extensus (Nees) Bremek.